internal/intconv: Add

1 files changed, 14 insertions, 0 deletions

diff --git a/internal/intconv/uptr_int.go b/internal/intconv/uptr_int.go
new file mode 100644
index 00000000..1ca4c674
--- /dev/null
+++ b/internal/intconv/uptr_int.go
@@ -0,0 +1,14 @@
+package intconv
+
+import (
+	"math"
+)
+
+// UintptrToInt converts v to int, returning an error if it overflows.
+func UintptrToInt(v uintptr) (int, error) {
+	if v > uintptr(math.MaxInt) {
+		return 0, ErrOverflow
+	}
+
+	return int(v), nil
+}